2812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 8043840

約数和(自身を除く): 5231800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 83, 88, 110, 121, 140, 154, 166, 220, 242, 280, 308, 332, 385, 415, 440, 484, 581, 605, 616, 664, 770, 830, 847, 913, 968, 1162, 1210, 1540, 1660, 1694, 1826, 2324, 2420, 2905, 3080, 3320, 3388, 3652, 4235, 4565, 4648, 4840, 5810, 6391, 6776, 7304, 8470, 9130, 10043, 11620, 12782, 16940, 18260, 20086, 23240, 25564, 31955, 33880, 36520, 40172, 50215, 51128, 63910, 70301, 80344, 100430, 127820, 140602, 200860, 255640, 281204, 351505, 401720, 562408, 703010, 1406020, 2812040]

約数ペア:

[(1, 2812040), (2, 1406020), (4, 703010), (5, 562408), (7, 401720), (8, 351505), (10, 281204), (11, 255640), (14, 200860), (20, 140602), (22, 127820), (28, 100430), (35, 80344), (40, 70301), (44, 63910), (55, 51128), (56, 50215), (70, 40172), (77, 36520), (83, 33880), (88, 31955), (110, 25564), (121, 23240), (140, 20086), (154, 18260), (166, 16940), (220, 12782), (242, 11620), (280, 10043), (308, 9130), (332, 8470), (385, 7304), (415, 6776), (440, 6391), (484, 5810), (581, 4840), (605, 4648), (616, 4565), (664, 4235), (770, 3652), (830, 3388), (847, 3320), (913, 3080), (968, 2905), (1162, 2420), (1210, 2324), (1540, 1826), (1660, 1694)]